Bone instrument shank



FIG. 1 is a front, right perspective view of the claimed design;

FIG. 2 is a rear right perspective view of the claimed design of FIG. 1;

FIG. 3 is a front side view of the claimed design of FIG. 1;

FIG. 4 is a rear side view of the claimed design of FIG. 1;

FIG. 5 is a left side view of the claimed design of FIG. 1;

FIG. 6 is a right side view of the claimed design of FIG. 1;

FIG. 7 is cross-sectional view of the claimed design of FIG. 1;

FIG. 8 is a top view of the claimed design of FIG. 1; and,

FIG. 9 is a bottom view of the claimed design of FIG. 1.

The broken lines depict portions of the bone instrument shank that form no part of the claimed design. 

CLAIM We claim the ornamental design for a bone instrument shank, as shown and described. 